CA146617A - Soupape de forets a roc - Google Patents

Soupape de forets a roc

Info

Publication number
CA146617A
CA146617A CA000146617A CA146617DA CA146617A CA 146617 A CA146617 A CA 146617A CA 000146617 A CA000146617 A CA 000146617A CA 146617D A CA146617D A CA 146617DA CA 146617 A CA146617 A CA 146617A
Authority
CA
Canada
Prior art keywords
valve
rock drills
drills
rock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000146617A
Other languages
English (en)
Inventor
Lewis Condict Bayles
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of CA146617A publication Critical patent/CA146617A/fr
Expired legal-status Critical Current

Links

CA000146617A 1912-12-19 1912-12-19 Soupape de forets a roc Expired CA146617A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA146617T 1912-12-19

Publications (1)

Publication Number Publication Date
CA146617A true CA146617A (fr) 1913-03-18

Family

ID=45266331

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000146617A Expired CA146617A (fr) 1912-12-19 1912-12-19 Soupape de forets a roc

Country Status (1)

Country Link
CA (1) CA146617A (fr)

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